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2025-12-04 - 11:48
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: ondemand
Compare latency of primary with shadow system
Characteristics of the 100 highest latencies:
System rack5slot4.osadl.org (updated Thu Dec 04, 2025 00:44:02)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
70052172102,6sleep10-21swapper/119:08:101
172621320,7sleep338-21rcuc/319:05:143
2269121220,5sleep0732799cyclictest19:20:170
69322110100,7sleep00-21swapper/019:07:120
7069210696,7sleep20-21swapper/219:08:552
44162650,1sleep30-21swapper/322:45:313
226122620,1sleep30-21swapper/321:40:183
180172610,0sleep00-21swapper/020:35:220
231922600,0sleep10-21swapper/119:20:181
92522580,1sleep19260-21kthreadcore23:35:201
238012570,0sleep20-21swapper/222:25:192
59982540,0sleep338-21rcuc/323:49:123
7331993017,1cyclictest0-21swapper/122:45:001
733499292,11cyclictest7672-21kworker/2:121:35:312
733499291,27cyclictest0-21swapper/220:11:082
733499290,13cyclictest3973-21ssh23:16:262
732799290,28cyclictest0-21swapper/023:57:590
732799281,25cyclictest32057-21munin-run21:14:590
732799280,27cyclictest0-21swapper/023:41:110
732799280,27cyclictest0-21swapper/021:42:120
732799280,27cyclictest0-21swapper/000:04:010
733199270,26cyclictest0-21swapper/122:20:421
733199270,26cyclictest0-21swapper/121:06:501
733199270,26cyclictest0-21swapper/119:51:561
7327992717,8cyclictest6859-21sadc19:35:000
7334992618,7cyclictest10272-21snmpd23:13:222
7334992618,7cyclictest10272-21snmpd00:36:532
7334992614,11cyclictest0-21swapper/221:34:172
733499260,2cyclictest0-21swapper/222:16:502
733499260,25cyclictest22541-21ssh00:11:112
733499260,25cyclictest0-21swapper/223:46:172
733499260,25cyclictest0-21swapper/200:29:362
733499260,24cyclictest0-21swapper/222:03:002
733499260,1cyclictest7672-21kworker/2:121:21:452
733499260,1cyclictest0-21swapper/200:04:152
733499260,16cyclictest6541-21kworker/2:222:33:492
733499260,15cyclictest6541-21kworker/2:223:05:202
733199260,25cyclictest0-21swapper/120:46:261
7334992518,7cyclictest0-21swapper/221:10:532
7334992518,6cyclictest10272-21snmpd19:14:552
7334992517,7cyclictest10272-21snmpd20:50:292
7334992517,7cyclictest10272-21snmpd20:43:232
7334992517,7cyclictest10272-21snmpd20:08:092
7334992517,6cyclictest10272-21snmpd21:51:182
7334992516,8cyclictest10272-21snmpd20:21:562
733499251,23cyclictest0-21swapper/220:15:112
733499250,24cyclictest0-21swapper/223:02:242
733499250,20cyclictest0-21swapper/222:05:392
733199250,24cyclictest0-21swapper/100:34:421
7327992517,7cyclictest0-21swapper/021:30:290
7327992516,8cyclictest0-21swapper/021:57:110
733499247,15cyclictest0-21swapper/222:58:132
733499247,15cyclictest0-21swapper/221:40:252
733499245,17cyclictest0-21swapper/223:51:142
7334992414,9cyclictest0-21swapper/223:31:272
7334992412,11cyclictest0-21swapper/222:14:222
733499240,3cyclictest0-21swapper/223:43:492
733499240,23cyclictest0-21swapper/200:15:342
733499240,1cyclictest0-21swapper/223:59:022
733499240,19cyclictest0-21swapper/222:21:542
733199240,3cyclictest1696-21ssh00:00:481
733199240,23cyclictest0-21swapper/122:36:361
733199240,23cyclictest0-21swapper/122:13:071
733199240,23cyclictest0-21swapper/121:20:491
733199240,23cyclictest0-21swapper/100:28:181
733199240,18cyclictest0-21swapper/123:16:131
733199240,18cyclictest0-21swapper/121:17:241
7327992415,8cyclictest0-21swapper/023:33:000
732799240,23cyclictest0-21swapper/022:27:280
732799240,23cyclictest0-21swapper/021:28:080
732799240,18cyclictest0-21swapper/022:03:100
7334992316,6cyclictest0-21swapper/223:27:142
7334992314,8cyclictest10272-21snmpd19:55:252
733499231,1cyclictest0-21swapper/221:45:192
733499230,7cyclictest0-21swapper/223:37:432
733499230,22cyclictest0-21swapper/220:35:122
733499230,22cyclictest0-21swapper/219:47:192
733499230,10cyclictest0-21swapper/221:19:062
7331992322,1cyclictest0-21swapper/119:40:161
7331992321,2cyclictest0-21swapper/120:43:091
7331992320,2cyclictest0-21swapper/121:03:591
7331992315,7cyclictest0-21swapper/123:12:241
7331992315,7cyclictest0-21swapper/121:25:451
733199231,21cyclictest0-21swapper/122:31:541
733199231,21cyclictest0-21swapper/121:49:491
733199230,22cyclictest0-21swapper/123:49:051
733199230,22cyclictest0-21swapper/123:20:091
733199230,22cyclictest0-21swapper/122:55:591
733199230,22cyclictest0-21swapper/122:27:391
733199230,22cyclictest0-21swapper/122:06:411
733199230,22cyclictest0-21swapper/122:01:481
733199230,22cyclictest0-21swapper/121:12:331
733199230,22cyclictest0-21swapper/120:34:381
733199230,22cyclictest0-21swapper/100:35:291
733199230,22cyclictest0-21swapper/100:21:081
733199230,22cyclictest0-21swapper/100:12:451
733199230,17cyclictest0-21swapper/100:17:481
7327992316,6cyclictest0-21swapper/023:11:470
7327992315,7cyclictest0-21swapper/022:35:460
7327992314,8cyclictest0-21swapper/022:47:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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